fluid mechanisms Flashcards

1
Q

fludi machnisms

A

study of an object that travels through liquid or gas

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2
Q

what are the 2 dynamic fluid forces

A

drag and lift

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3
Q

drag

A

slows something down
resistance
acts in oppostion to the diraction of motion
negative effect on velocity

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4
Q

hpw is drag force produced

A

produced from air restcnce and friction

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5
Q

what are the two types of drags

A

surafce drag-friction between surface orf oject and the envorment
e.g wimmers wear swimming caps and shave off their body hair

form drag-forces affecting leading edge of object increase with drag

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